books.google.co.uk - This book offers a comprehensive study of species- and genus-level diversity and chorology of the global freshwater fauna to date. It gives a state of the art assessment of the diversity and distribution of Metazoa in the continental waters of the world. ...https://books.google.co.uk/books/about/Freshwater_Animal_Diversity_Assessment.html?id=Dw4H6DBHnAgC&utm_source=gb-gplus-shareFreshwater Animal Diversity Assessment